Fast100Math vs 公約数ガーディアン
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fast100Math
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Have Fun Training Your Brain with the 100-Masu Calculation App! A simple yet profound app that everyone can enjoy! Improve your calculation skills while customizing your experience to match your style. ■Flexible Calculation Modes Supports addition, subtraction, and multiplication from single-digit to double-digit numbers. Choose your preferred difficulty, from 25 to 100 grids! ■Compete on the Global Leaderboard Challenge users worldwide and compete for the highest score! Aim for the top with your 10 × 10 records. ■Various Input Methods Supports voice and handwriting inputs. Choose the method that suits you best. ■Customizable Appearance Personalize your app by adjusting background colors, text colors, and fonts. Create your very own design and enjoy! ■Accessibility Features With VoiceOver support, you can solve math problems using audio assistance without relying on visuals. Step into the world of brain training! Boost your scores with 100-Masu calculations and aim for the top of the global leaderboard. Experience the joy of improving your calculation skills today!
公約数ガーディアン
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このアプリに登場する「ガーディアン」は、子どもが安心して学べるように寄り添い、 ゆっくりとした動きと優しい表情で学習の流れを導く存在です。 問題を解くたびにガーディアンが金色の後光や光の粒子で祝福し、 達成感と自己肯定感を育てるように設計されています。 アプリ全体は儀式的なテンポで進み、急かさず、落ち着いた世界観の中で 子どもが自然に集中できるように作られています。
Screenshots
Verdict
The clearest difference is iOS requirement: 公約数ガーディアン at 15.6 against Fast100Math's 18.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Fast100Math | 公約数ガーディアン |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 31 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | makoto amijima | Seiji Kinoshita |
In-app purchases
Fast100Math
No in-app purchases
公約数ガーディアン
No in-app purchases









